As many universities are promoting distance courses, the comparative advantages and disadvantages over conventional classroom delivery are being debated. Student attitudes and test performance in an introductory microeconomics course are compared across the two different course delivery formats....

Demand for fertilizer in developing countries has expanded at a rapid rate over the past forty years. The relative scarcity of agricultural land has been a major underlying cause of this expansion in demand. More proximate causes include the development of complementary Green Revolution...

Public research is a major contributor to agricultural productivity growth, but if research investments are not maintained, agricultural productivity can decline over time. Maintenance research replaces deteriorated research knowledge to forestall a productivity decline. Knowledge of the...